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 * and open the template in the editor.
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package cs425proj.servlets;

import java.io.IOException;
import java.io.PrintWriter;
import java.sql.*;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

/**
 *
 * @author rakesh reddy
 */
@WebServlet(name = "viewUserServlet", urlPatterns = {"/viewUserServlet"})
public class viewUserServlet extends HttpServlet {

    private Connection con ;
    private ResultSet rs1 ;
    private Statement stm;
    /**
     * Processes requests for both HTTP
     * <code>GET</code> and
     * <code>POST</code> methods.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        response.setContentType("text/html;charset=UTF-8");
        PrintWriter out = response.getWriter();
        try {
            this.startConnection();
            String memtype = request.getParameter("myselect");
            String query = "select * from member where member_type='"+memtype+"'";
            stm = con.createStatement();
            rs1= stm.executeQuery(query);
            String str="";
            
             out.println("<html>");
            out.println("<head>");
            out.println("<title>Servlet viewUserServlet</title>");            
            out.println("</head>");
            out.println("<body>");
            out.println("<h1>Servlet viewUserServlet at "+memtype + "</h1>");
            while(rs1.next())
            {     
                //out.println("<d member id></d>");
                str="Member id "+ rs1.getInt("member_id")+" Total Revenue is "+rs1.getString("f_name");
               // out.println("<p>"+str+"</p>");
               out.println("<p>Member id   :</p>");
               out.println("<d>"+rs1.getInt("member_id")+"</d>");
            }
            /*
             * TODO output your page here. You may use following sample code.
             */
           
            out.println("</body>");
            out.println("</html>");
        }catch(SQLException e){e.printStackTrace();}
        finally {            
            out.close();
        }
    }

    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
    /**
     * Handles the HTTP
     * <code>GET</code> method.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /**
     * Handles the HTTP
     * <code>POST</code> method.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /**
     * Returns a short description of the servlet.
     *
     * @return a String containing servlet description
     */
    @Override
    public String getServletInfo() {
        return "Short description";
    }// </editor-fold>
    
     public void startConnection(){
        
       String connStr ="jdbc:oracle:thin:@fourier.cs.iit.edu:1521:orcl";
       
       
       
           try{
               //load the drives
            Class.forName("oracle.jdbc.driver.OracleDriver");

            //initialize the connection variable
               con = DriverManager.getConnection(connStr, "rjairaj", "cs425dbo");
                     
                      
             }catch(SQLException e){e.printStackTrace();}
              catch(ClassNotFoundException cn){cn.printStackTrace();}
           
           }
    
    public void closeConnection(){
           try{
            con.commit();
            con.close();
    
           }catch(SQLException e){e.printStackTrace();}
    }
}
